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https://www.readbyqxmd.com/read/28219342/effects-of-exposure-to-streptococcus-iniae-on-microrna-expression-in-the-head-kidney-of-genetically-improved-farmed-tilapia-oreochromis-niloticus
#1
Jun Qiang, Fanyi Tao, Jie He, Lanyi Sun, Pao Xu, Wenjin Bao
BACKGROUND: Genetically improved farmed tilapia (GIFT, Oreochromis niloticus) are susceptible to infection by Streptococcus iniae when maintained in modern intensive culture systems. GIFT are commercially important fishes that are cultured widely in southern China. The role of microRNAs (miRNAs) in the regulatory response of GIFT to S. iniae infection has been underestimated and has not yet been well studied. Head kidney has an important immune function in teleost fishes. The main aim of this study was to determine the possible function of miRNAs in head kidney of S...
February 20, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28214889/regulatory-role-of-mirna-375-in-expression-of-bmp15-gdf9-receptors-and-its-effect-on-proliferation-and-apoptosis-of-bovine-cumulus-cells
#2
Hongyan Chen, Chang Liu, Hao Jiang, Yan Gao, Mingqiang Xu, Jiawei Wang, Siyuan Liu, Yao Fu, Xulei Sun, Jiajun Xu, Jiabao Zhang, Lisheng Dai
BACKGROUND: Bone morphogenetic protein 15 (BMP15) and growth differentiation factor 9 (GDF9) are members of the transforming growth factor beta (TGF-β) superfamily. Through autocrine and paracrine mechanisms, these two factors can regulate cell differentiation, proliferation, and other functions in the ovary locally. Furthermore, GDF9 and BMP15 play vital roles in follicular growth, atresia, ovulation, fertilization, reproduction, and maintenance. Numerous studies have demonstrated a synergy between BMP15 and GDF9...
January 27, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214218/implication-of-downregulation-and-prospective-pathway-signaling-of-microrna-375-in-lung-squamous-cell-carcinoma
#3
Wen-Jie Chen, Ting-Qing Gan, Hui Qin, Su-Ning Huang, Li-Hua Yang, Ye-Ying Fang, Zu-Yun Li, Lin-Jiang Pan, Gang Chen
BACKGROUND: Lung cancer is one of the most typical cancers in the world. Altered expression profiles of microRNA-375(miR-375) are linked to many diseases including lung cancer. However, the relationship between miR-375 and lung squamous cell carcinoma (LUSC) is controversial. METHODS: We first evaluated the 23 LUSCs and the paired normal lung tissues by qRT-PCR. Then we analyzed the LUSC samples with miR-375 expression based on The Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GEO)...
January 22, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28186962/microrna-375-inhibits-colorectal-cancer-cells-proliferation-by-downregulating-jak2-stat3-and-map3k8-erk-signaling-pathways
#4
Ran Wei, Qin Yang, Bing Han, Yan Li, Kun Yao, Xiuyu Yang, Zexi Chen, Shanshan Yang, Jiaqi Zhou, Meizhang Li, Haijing Yu, Min Yu, Qinghua Cui
MicroRNA-375 is involved in many types of alimentary system cancers. Our previous studies showed that microRNA-375 was significantly down-regulated in carcinoma tissues compared with para-carcinoma tissues, which strongly indicates that microRNA-375 might suppress the occurrence and development of colorectal cancer. However, the mechanism underlying the microRNA-375 regulation in colorectal cancer remains unclear. In this study, we first sorted out jak2, map3k8 and atg7 as microRNA-375 targeted genes from multiple databases, and found that jak2, map3k8 and their downstream genes stat3 and erk were up-regulated in carcinoma tissues...
February 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28164670/prognostic-value-of-expression-of-micrornas-in-non-small-cell-lung-cancer-a-systematic-review-and-meta-analysis
#5
Bingxiang Zhan, Dapeng Lu, Peng Luo, Baolong Wang
BACKGROUND: microRNAs are widely involved in a variety of life processes and considered as potential biomarkers of tumor prognosis. A growing number of studies have documented that miRNAs were associated with outcome in NSCLC patients and can act as a prognostic marker. However, existing studies concerning the relationship between miRNAs and outcome in NSCLC patients were contentious and dispersive. Therefore, a systematic metaanalysis to explore the prognostic value of miRNAs on NSCLC patients is urgently needed...
November 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28158288/mir-375-3p-negatively-regulates-osteogenesis-by-targeting-and-decreasing-the-expression-levels-of-lrp5-and-%C3%AE-catenin
#6
Tianhao Sun, Chen-Tian Li, Lifeng Xiong, Ziyu Ning, Frankie Leung, Songlin Peng, William W Lu
Wnt signaling pathways are essential for bone formation. Previous studies showed that Wnt signaling pathways were regulated by miR-375. Thus, we aim to explore whether miR-375 could affect osteogenesis. In the present study, we investigated the roles of miR-375 and its downstream targets. Firstly, we revealed that miR-375-3p negatively modulated osteogenesis by suppressing positive regulators of osteogenesis and promoting negative regulators of osteogenesis. In addition, the results of TUNEL cell apoptosis assay showed that miR-375-3p induced MC3T3-E1 cell apoptosis...
2017: PloS One
https://www.readbyqxmd.com/read/28122349/the-prognostic-relevance-of-primary-tumor-location-in-patients-undergoing-resection-for-pancreatic-ductal-adenocarcinoma
#7
Qi Ling, Xiao Xu, Panpan Ye, Haiyang Xie, Feng Gao, Qichao Hu, Zhikun Liu, Xuyong Wei, Christian Röder, Anna Trauzold, Holger Kalthoff, Shusen Zheng
Different clinical presentations and prognoses have been implied between pancreatic head and body/tail cancers. We aimed to identify the prognostic relevance of primary tumor location in patients undergoing resection for pancreatic ductal adenocarcinoma (PDAC). Thirty-two pairs of patients with strictly matched early stage (II) pancreatic head and body/tail cancers were enrolled. The molecular feature of the two subtypes of PDAC was assessed on the level of miRNA expression. Out of the 64 patients, 34 (53.1%) had tumor recurrence after radical resection during the follow-up period (2...
January 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28122254/an-alpha-beta-of-pancreatic-islet-microribonucleotides
#8
REVIEW
Louise Torp Dalgaard, Lena Eliasson
MicroRNAs (miRNAs) are cellular, short, non-coding ribonucleotides acting as endogenous posttranscriptional repressors following incorporation in the RNA-induced silencing complex. Despite being chemically and mechanistically very similar, miRNAs exert a multitude of different cellular effects by acting on mRNA species, whose gene-products partake in a wide array of processes. Here, the aim was to review the knowledge of miRNA expression and action in the islet of Langerhans. We have focused on: 1) physiological consequences of islet or beta cell specific inhibition of miRNA processing, 2) mechanisms regulating processing of miRNAs in islet cells, 3) presence and function of miRNAs in alpha versus beta cells - the two main cell types of islets, and 4) miRNA mediators of beta cell decompensation...
January 22, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28119452/microrna-375-is-induced-in-cisplatin-nephrotoxicity-to-repress-hepatocyte-nuclear-factor-1-beta
#9
Jielu Hao, Qiang Lou, Qingqing Wei, Shuqin Mei, Lin Li, Qing-Sheng Mi, Changlin Mei, Zheng Dong
Nephrotoxicity is a major adverse effect of cisplatin-mediated chemotherapy in cancer patients. The pathogenesis of cisplatin-induced nephrotoxicity remains largely unclear, making it difficult to design effective renoprotective approaches. Here, we have examined the role of microRNAs (miRNAs) in cisplatin-induced nephrotoxicity. We show that cisplatin nephrotoxicity was not affected by overall depletion of both beneficial and detrimental miRNAs from kidney proximal tubular cells in mice in which the miRNA-generating enzyme Dicer had been conditionally knocked out...
January 24, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28114622/association-between-serum-micrornas-and-magnetic-resonance-imaging-measures-of-multiple-sclerosis-severity
#10
Keren Regev, Brian C Healy, Fariha Khalid, Anu Paul, Renxin Chu, Shahamat Tauhid, Subhash Tummala, Camilo Diaz-Cruz, Radhika Raheja, Maria A Mazzola, Felipe von Glehn, Pia Kivisakk, Sheena L Dupuy, Gloria Kim, Tanuja Chitnis, Howard L Weiner, Roopali Gandhi, Rohit Bakshi
Importance: MicroRNAs (miRNAs) are promising multiple sclerosis (MS) biomarkers. Establishing the association between miRNAs and magnetic resonance imaging (MRI) measures of disease severity will help define their significance and potential impact. Objective: To correlate circulating miRNAs in the serum of patients with MS to brain and spinal MRI. Design, Setting, and Participants: A cross-sectional study comparing serum miRNA samples with MRI metrics was conducted at a tertiary MS referral center...
January 23, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28112397/interplay-between-the-mirnome-and-the-epigenetic-machinery-implications-in-health-and-disease
#11
REVIEW
Shagun Poddar, Devesh Kesharwani, Malabika Datta
Epigenetics refers to functionally relevant genomic changes that do not involve changes in the basic nucleotide sequence. Majorly, these are of two types- DNA methylation and histone modifications. Small RNA molecules called miRNAs are often thought to mediate post-transcriptional epigenetic changes by mRNA degradation or translational attenuation. While DNA methylation and histone modifications have their own independent effects on various cellular events, several reports are suggestive of an obvious interplay between these phenomena and the miRNA regulatory program within the cell...
January 23, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28101643/polymorphisms-in-genes-encoding-mir-155-and-mir-146a-are-associated-with-protection-to-type-1-diabetes-mellitus
#12
Taís S Assmann, Guilherme C K Duarte, Letícia A Brondani, Pedro H O de Freitas, Égina M Martins, Luís H Canani, Daisy Crispim
AIMS: Type 1 diabetes mellitus (T1DM) is characterized by severe autoimmune destruction of pancreatic beta-cells. The triggering of autoimmunity against beta-cells is probably caused by a combination of environmental and genetic risk factors. Even though much is known about the genetic of T1DM, more information is needed to completely unravel this tangled disease. MicroRNAs (miRNAs) are a class of small noncoding RNAs molecules that negatively regulate gene expression by inducing target mRNA cleavage or by inhibiting protein translation...
January 19, 2017: Acta Diabetologica
https://www.readbyqxmd.com/read/28098887/mirna%C3%A2-375-regulates-the-cell-survival-and-apoptosis-of-human-non%C3%A2-small-cell-carcinoma-by-targeting-her2
#13
Longqiang Cheng, Bingxiang Zhan, Peng Luo, Baolong Wang
micro (mi)‑RNAs are a class of small non‑coding RNAs that regulate gene expression by binding to the 3'‑untranslated region of mRNA, which may lead to mRNA degradation or transcription regulation. Previous studies indicated that miRNAs are important for the pathogenesis of human cancer. miR‑375 has been implicated in various tumor types; however, the biological activity in human non‑small cell lung carcinoma (NSCLC) cells remains to be fully elucidated. The purpose of the present study was to investigate the biological importance of miR‑375 in human NSCLC cells...
January 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28075453/mir-375-inhibits-cancer-stem-cell-phenotype-and-tamoxifen-resistance-by-degrading-hoxb3-in-human-er-positive-breast-cancer
#14
Hui Fu, Lei Fu, Chao Xie, Wen-Shu Zuo, Yan-Song Liu, Mei-Zhu Zheng, Jin-Ming Yu
Cancer stem cell (CSC) formation and epithelial-mesenchymal transition (EMT) are pivotal events in tumor cell invasion and metastasis. They have been shown to occur in resistance to tamoxifen. Moreover, microRNAs (miRNAs) have been associated with CSCs, EMT as well as tamoxifen resistance. Studying molecular mechanism of CSCs, EMT as well as tamoxifen resistance will help us to further understand the pathogenesis and progression of the disease and offer new targets for effective therapies. In the present study, we showed that miR-375 inhibits CSC traits in breast cancer MCF-7 cells...
February 2017: Oncology Reports
https://www.readbyqxmd.com/read/28069583/mir-375-suppresses-invasion-and-metastasis-by-direct-targeting-of-shox2-in-esophageal-squamous-cell-carcinoma
#15
Jun Yi, Li Jin, Jing Chen, Bing Feng, Zhenyue He, Longbang Chen, Haizhu Song
Esophageal squamous cell carcinoma (ESCC) is the most common histological type in China. MicroRNAs are endogenously expressed in mammals and play a significant role in tumor invasion and metastasis by targeting potential downstream genes. In the present study, microarray analysis showed that miR-375 expression was distinctly downregulated in ESCC compared with that in normal esophageal epithelium tissues. Then, luciferase reporter assay showed that SHOX2 was the direct downstream target of miR-375 and this interaction was confirmed by the rescue experiments...
January 8, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28053808/dysregulation-of-microrna-196b-5p-and-microrna-375-in-gastric-cancer
#16
Seung Woo Lee, Ki Cheol Park, Jeong Goo Kim, Sung Jin Moon, Sang Bum Kang, Dong Soo Lee, Hae Joung Sul, Jeong Seon Ji, Hyun Yong Jeong
PURPOSE: Dysregulated microRNAs (miRNAs) can contribute to cancer development by leading to abnormal proliferation of cells, apoptosis, and differentiation. Although several miRNAs that are related to gastric cancer have been identified, the reported results have been inconsistent. The aim of this study was to determine miRNA expression profiles and validate miRNAs up- and down-regulated in gastric cancer. MATERIALS AND METHODS: We evaluated 34 primary gastric cancer tissues and paired adjacent nontumorous gastric tissues...
December 2016: Journal of Gastric Cancer
https://www.readbyqxmd.com/read/28053090/functional-transcriptomics-in-diverse-intestinal-epithelial-cell-types-reveals-robust-microrna-sensitivity-in-intestinal-stem-cells-to-microbial-status
#17
Bailey C E Peck, Amanda T Mah, Wendy A Pitman, Shengli Ding, P Kay Lund, Praveen Sethupathy
Gut microbiota play an important role in regulating the development of the host immune system, metabolic rate, and at times, disease pathogenesis. The factors and mechanisms that mediate interactions between microbiota and the intestinal epithelium are not fully understood. We provide novel evidence that microbiota may control intestinal epithelial stem cell (IESC) proliferation in part through microRNAs (miRNAs). We demonstrate that miRNA profiles differ dramatically across functionally distinct cell types of the mouse jejunal intestinal epithelium and that miRNAs respond to microbiota in a highly cell type-specific manner...
February 17, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28039581/microrna-expression-profiles-of-human-ipscs-differentiation-into-insulin-producing-cells
#18
Guido Sebastiani, Marco Valentini, Giuseppina Emanuela Grieco, Giuliana Ventriglia, Laura Nigi, Francesca Mancarella, Silvia Pellegrini, Gianvito Martino, Valeria Sordi, Lorenzo Piemonti, Francesco Dotta
AIMS: MicroRNAs are a class of small noncoding RNAs, which control gene expression by inhibition of mRNA translation. MicroRNAs are involved in the control of biological processes including cell differentiation. Here, we aim at characterizing microRNA expression profiles during differentiation of human induced pluripotent stem cells (hiPSCs) into insulin-producing cells. METHODS: We differentiated hiPSCs toward endocrine pancreatic lineage following a 18-day protocol...
December 30, 2016: Acta Diabetologica
https://www.readbyqxmd.com/read/28030794/circulating-mirnas-as-biomarkers-for-oral-squamous-cell-carcinoma-recurrence-in-operated-patients
#19
Yan Yan, Xuan Wang, Morten T Venø, Vivi Bakholdt, Jens A Sørensen, Annelise Krogdahl, Zheng Sun, Shan Gao, Jørgen Kjems
MicroRNAs (miRNAs) are small regulatory non-coding RNAs for which altered expression in cancers can serve as potential biomarkers for diseases. We here investigated whether circulating miRNAs can serve as biomarkers for predicting post-operational recurrence of oral squamous cell carcinoma (OSCC) in patients. Plasma samples from 8 Danish OSCC patients were collected before, and one year after surgical operation, as well as from 3 Danish healthy controls and subjected to miRNA profiling by next generation sequencing...
January 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/28017506/insulin-producing-cells-generation-by-overexpression-of-mir-375-in-adipose-derived-mesenchymal-stem-cells-from-diabetic-patients
#20
Mehran Piran, Seyed Ehsan Enderami, Mehrdad Piran, Hadis Soltani Sedeh, Ehsan Seyedjafari, Abdolreza Ardeshirylajimi
Diabetes Mellitus (DM) is a systematic disease, which happens because of destruction of islets of Langerhans in the pancreas and systematic resistance to insulin. The lack of donor for pancreas transplantation and risk of transplant rejection is the main challenge in the treatment of this disease. Stem cells are proper and sufficient source for creating insulin-producing cells (IPC). In this study adipose tissue was provided from diabetic patients operated for liposuction and then adipose derived stem cells (ADSCs) were isolated, characterized and then treated by lentiviruses containing miR-375, after 7, 14 and 21 days of induction, islet-like clusters (ILC) specific genes including insulin and PDX1 were evaluated by Real Time RT-PCR...
December 22, 2016: Biologicals: Journal of the International Association of Biological Standardization
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